diff --git a/1-Call-MSGraph/daemon-console/ProtectedApiCallHelper.cs b/1-Call-MSGraph/daemon-console/ProtectedApiCallHelper.cs
index ca71263..6ca7d6f 100644
--- a/1-Call-MSGraph/daemon-console/ProtectedApiCallHelper.cs
+++ b/1-Call-MSGraph/daemon-console/ProtectedApiCallHelper.cs
@@ -59,12 +59,12 @@ public async Task CallWebApiAndProcessResultASync(string webApiUrl, string acces
         {
             if (!string.IsNullOrEmpty(accessToken))
             {
-                var defaultRequetHeaders = HttpClient.DefaultRequestHeaders;
-                if (defaultRequetHeaders.Accept == null || !defaultRequetHeaders.Accept.Any(m => m.MediaType == "application/json"))
+                var defaultRequestHeaders = HttpClient.DefaultRequestHeaders;
+                if (defaultRequestHeaders.Accept == null || !defaultRequestHeaders.Accept.Any(m => m.MediaType == "application/json"))
                 {
                     HttpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                 }
-                defaultRequetHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
+                defaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
 
                 HttpResponseMessage response = await HttpClient.GetAsync(webApiUrl);
                 if (response.IsSuccessStatusCode)
diff --git a/2-Call-OwnApi/README.md b/2-Call-OwnApi/README.md
index ce8f681..291a7be 100644
--- a/2-Call-OwnApi/README.md
+++ b/2-Call-OwnApi/README.md
@@ -253,14 +253,14 @@ The relevant code for this sample is in the `Program.cs` file, in the `RunAsync(
     In this sample, we are calling "https://localhost:44372/api/todolist" with the access token as a bearer token.
 
     ```CSharp
-    var defaultRequetHeaders = HttpClient.DefaultRequestHeaders;
+    var defaultRequestHeaders = HttpClient.DefaultRequestHeaders;
 
-    if (defaultRequetHeaders.Accept == null || !defaultRequetHeaders.Accept.Any(m => m.MediaType == "application/json"))
+    if (defaultRequestHeaders.Accept == null || !defaultRequestHeaders.Accept.Any(m => m.MediaType == "application/json"))
     {
         HttpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
     }
 
-    defaultRequetHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
+    defaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
     ```
 
 ### TodoList Web API Code
diff --git a/2-Call-OwnApi/daemon-console/ProtectedApiCallHelper.cs b/2-Call-OwnApi/daemon-console/ProtectedApiCallHelper.cs
index ce60876..4d46513 100644
--- a/2-Call-OwnApi/daemon-console/ProtectedApiCallHelper.cs
+++ b/2-Call-OwnApi/daemon-console/ProtectedApiCallHelper.cs
@@ -60,12 +60,12 @@ public async Task CallWebApiAndProcessResultASync(string webApiUrl, string acces
         {
             if (!string.IsNullOrEmpty(accessToken))
             {
-                var defaultRequetHeaders = HttpClient.DefaultRequestHeaders;
-                if (defaultRequetHeaders.Accept == null || !defaultRequetHeaders.Accept.Any(m => m.MediaType == "application/json"))
+                var defaultRequestHeaders = HttpClient.DefaultRequestHeaders;
+                if (defaultRequestHeaders.Accept == null || !defaultRequestHeaders.Accept.Any(m => m.MediaType == "application/json"))
                 {
                     HttpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                 }
-                defaultRequetHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
+                defaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
 
                 HttpResponseMessage response = await HttpClient.GetAsync(webApiUrl);
                 if (response.IsSuccessStatusCode)